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Desert Biome

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by

Nicole Pozek

on 26 October 2014

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Transcript of Desert Biome

Desert
Precipitation
Location
What is desert?
Large, dry, barren region, usually having sandy or rocky soil and little or no vegetation.
Water lost to evaporation and transpiration exceeds the amount of precipitation
Average less than 25 cm (9.75 inches) of precipitation each year
An area does not have to be hot to qualify—it just needs to lose more moisture than it gains.
Soil
The factors of deserts soil composition are the CIORPT, climate, organism, relief, parental material, and time.
The most important to the soil is the climate.
Contain 10% of calcium carbonate and 10 pounds of sulfuric acids per square foot.
Vegetation
Saharan desert
Vegetation generally sparse
Scattered concentrations of grasses, shrubs, and trees
In highlands, oasis, and depressions
Types of plants include: cactus, African Welwitchsia, and oleander
Temperature
The average rainfall is less than 25cm a year.
Deserts only get 10% of how much rainfall there are in rainforests.
Animals in the Sahara Desert
Mammals-coyote, badger, burrowers, kangaroos, mice, foxes
Amphibians-toads
Birds-great horned owl, golden eagle, the bald eagle
Reptiles-lizards and snakes

The annual mean temperatures range from 68-77 degrees Fahrenheit. The minimum temperatures drop to below zero degrees!
Namib desert
The sunlight of the Sonoran desert changes during the day
Gets hotter because of not enough water vapor
Seasonal temperatures range from 52 degrees in the winter to 86 degrees in the summer
Reaches 32 degrees at night
The Desert Biome can be found on every continent except Europe
The Tropic of Cancer and Tropic of Capricorn lines of latitude are consistent with the location of hot and dry deserts around the world because of the proximity to the equator, which absorbs intense amounts of sun, warming the land and currents around it.


Interesting Facts
Interesting Facts
The world’s largest desert is Antarctica. That’s right, an area does not have to be hot to qualify it just needs to lose more moisture than it gains.
The world record for crossing the Sahara by bicycle was set in 2011 by Reza Pakravan, 36, a market security analyst in London, who made the 1,084-mile journey in 13 days, 5 hours, 50 minutes, and 14 seconds. He started in Algeria, cycled south, then turned east through Niger and Chad to reach Sudan.
Interesting Facts
•Only around 20% of the
deserts on Earth are covered in sand.

•The video game Mario Kart 64
features a track called 'Kalimari Desert', a reference to the Kalahari Desert found in Southern Africa

•Deserts often contain large mineral deposits.

•Deserts can be good locations to farm solar energy.


Characterized by extreme heat and dryness
Very hot in daytime and chilly/cold at night
Avg. Temperature is 100 degrees during the day and 50 degrees at night
A cactus is a succulent plant with a this, fleshy stem that bears spines and lacks leaves.
Cacti adapt to heat by having a thick fleshy stem
Other Information
Barrel Cactus
African Welwitchsia
Cactus Opuntia
Prickly pear cactus
Other plants, including the cactus, have deep wide roots so they can absorb water easier. Small prickle leaves reduce evaporation in overwhelming heat
Animals adapt to the heat by sleeping during the day and coming out at night when its cooler.
It snowed in the sahara desert for 30 min on February 18 1979
Fennec Fox
Horned Lizard
Horned Eagle
Horned Viper
GOOOO BYE
Full transcript